HomeMy WebLinkAboutTR_Tree_Rentention_Worksheet_100127.pdfCity of Renton
TMEE RETENTICA
WORKSHEET
1. Total number of trees over 6" in diameter on project site: 1. _l— trees
2. Deductions: Certain trees are excluded from the retention calculation:
Trees that are dead, diseased or dangerous2 w/Pt trees
Trees in proposed public streets trees
Trees in proposed private access easements/tracts _ trees
Trees in critical areas3 and buffers —Q trees
Total number of excluded trees: 2. 61 trees
3. Subtract line 2 from line 1: 3. trees
4. Next, to determine the number of trees that must be
retained4, multiply line 3 by.
0.3 in zones RC, R-1, R-4, or R-8
0.1 in all other residential zones
0.05 in all commercial and industrial zones 4. trees
5. List the number of 6" or larger trees that you are proposing5 to
retain4:
5. ; ...5 trees
6. Subtract line 5 from line 4 for trees to be replaced: 6. trees
If line 6 is less than zero, stop here, No replacement trees are required)
7. Multiply line 6 by 12" for number of required replacement inches:
7.— 2JP Inches
8. Proposed size of trees to meet additional planting requirement:
Minimum 2" caliper trees required) 8. inches
per tree
9. Divide line 7 by line 8 for number of replacement
trees6:
if remainder is 5 or greater, round up to the. next whole number) //
9. —40-_ trees
Measured at chest height.
2Dead, diseased or dangerous trees must be certified as such by a forester, registered landscape architect, or
certified arborist, and approved by the City.
Critical Areas, such as wetlands, strearns, floodpfalns and protected slopes, are defined in Section 4-3-051) of
the Renton Municipal Code (RMC)
Count only those trees to be retained outside of critical areas and buffers
s The City may require modification of the tree retention plan to ensure retention of the maximum number of
trees per f2MC 4-4-1301-17a City of Renton
6 Inches of street trees, inches of trees added to cdticaf areas/buffers, and inches of trees r',i"tVv §on
are less than 6" but are greater Than 2" can be used to meet the tree replacement require a tt
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